diff --git a/flake.lock b/flake.lock
index a27887c..3257344 100644
--- a/flake.lock
+++ b/flake.lock
@@ -426,8 +426,8 @@
         "pre-commit-hooks": "pre-commit-hooks"
       },
       "locked": {
-        "lastModified": 1727387646,
-        "narHash": "sha256-hG6itTZrfo61fer2t+74paFxcjrSeq7UsfERad9pgqk=",
+        "lastModified": 1727387774,
+        "narHash": "sha256-oTD2StBUrWhK2s5plAj//h3YgYrQvPvGw5ywKI9RUVw=",
         "path": "/home/pagedmov/sysflakes/glasshouse-desktop/dotfiles/packages/nixvim",
         "type": "path"
       },
diff --git a/glasshouse-desktop/dotfiles/packages/nixvim/config/plugins/nvim-tree.nix b/glasshouse-desktop/dotfiles/packages/nixvim/config/plugins/nvim-tree.nix
index be79b0f..43bb74c 100644
--- a/glasshouse-desktop/dotfiles/packages/nixvim/config/plugins/nvim-tree.nix
+++ b/glasshouse-desktop/dotfiles/packages/nixvim/config/plugins/nvim-tree.nix
@@ -3,8 +3,7 @@
 			enable = true; 
 			hijackUnnamedBufferWhenOpening = true;
 			openOnSetup = true;
-			onAttach = { __raw = ''
-vim.keymap.set('n', 'b', api.node.open.preview, opts('Open Preview'))
+			onAttach = { __raw = "function(bufnr) local api = require('nvim-tree.api') vim.keymap.set('n', 'b', api.node.open.preview, opts('Open Preview')) end"; };
 			''; };
 			view = { 
 				side = "right";